Term
| A little known quantitative morphometric technique involved the measurement of the thickness of bone of the ___________________. |
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Definition
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Term
| ________________ is the measurement of the dimensions of the bones using skeletal radiographs. |
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Definition
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Term
| __________________ refers to a reduction in the number and energy of photons in an X-ray beam. |
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Definition
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Term
| The earliest photon absorptiometric techniques employed _______________ to generate photon energy. |
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Definition
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Term
| ______________ at _____ keV or ________________ at _______ keV was originally used to generate the single-energy photon beam. |
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Definition
Iodine-125 @ 27.3keV
americium-241 @ 59.6 keV |
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Term
| The isotope most commonly employed in dual-photon absorptiometry in the United States was _______________ which naturally emitted photon energy at two photoelectric peaks, ____ keV and ____ keV. |
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Definition
gadolinium-153
44 keV and 100 keV |
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Term
| Radiation exposure during a PA lumbar spine or proximal femur study is only _______ mrem, while the effective dose or whole-body equivalent dose is only _______ mrem. |
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Definition
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Term
| In ultrasound densitometry, the velocity is reported as the _______________. |
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Definition
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Term
| Higher values of SOS in ultrasound densitometry indicate lower/greater values of bone density. |
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Definition
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Term
| A second ultrasound parameter is _________________. This parameter is reported in ______________. |
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Definition
broadband ultrasound attenuation (BUA)
decibels per megahertz (dB/MHz) |
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Term
| QUS devices are considered _______________ devices and are generally quite portable. |
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Definition
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Term
| The precision of QUS measurements is generally bad/excellent. |
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Definition
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